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Merck
CN

87371

Tetrahydrofuran

absolute, over molecular sieve (H2O ≤0.005%), contains ~0.025% 2,6-di-tert-butyl-4-methylphenol as stabilizer, ≥99.5% (GC)

Synonym(s):

Butylene oxide, Oxolane, Tetramethylene oxide

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About This Item

Empirical Formula (Hill Notation):
C4H8O
CAS Number:
109-99-9
Molecular Weight:
72.11
EC Number:
203-726-8
UNSPSC Code:
12191501
PubChem Substance ID:
57653245
Beilstein/REAXYS Number:
102391
MDL number:
MFCD00005356

Key Documents

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vapor pressure

114 mmHg ( 15 °C), 143 mmHg ( 20 °C)

grade

absolute

assay

≥99.5% (GC)

autoignition temp.

610 °F

quality

over molecular sieve (H2O ≤0.005%)

contains

~0.025% 2,6-di-tert-butyl-4-methylphenol as stabilizer

expl. lim.

1.8-11.8 %

impurities

≤0.005% (water)

mp

−108 °C (lit.)

density

0.889 g/mL at 25 °C (lit.)

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Danger

Hazard Classifications

Acute Tox. 4 Oral - Carc. 2 - Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3

target_organs

Respiratory system

supp_hazards

EUH019

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

-6.2 °F - closed cup

flash_point_c

-21.2 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
STBD2882V
STBD9408V
STBD9155V
STBD9084V
STBD9059V

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Olav Schiemann et al.
Nature protocols, 2(4), 904-923 (2007-04-21)
In this protocol, we describe the facile synthesis of the nitroxide spin-label 2,2,5,5-tetramethyl-pyrrolin-1-oxyl-3-acetylene (TPA) and then its coupling to DNA/RNA through Sonogashira cross-coupling during automated solid-phase synthesis. Subsequently, we explain how to perform distance measurements between two such spin-labels on
Synthetic routes to tetrahydrofuran, tetrahydropyran, and spiroketal units of polyether antibiotics and a survey of spiroketals of other natural products.
Boivin TLB.
Tetrahedron, 43(15), 3309-3362 (1987)
Eagleson M.
Concise Encyclopedia Chemistry, 152-152 (1994)
Eagleson M.
Concise Encyclopedia Chemistry, 883-883 (1994)
Polyhedral clathrate hydrates. X. Structure of the double hydrate of tetrahydrofuran and hydrogen sulfide.
Mak TCW, et al.
J. Chem. Phys. , 42(8), 2732-2737 (1965)
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